remote control equipment - Indian Railways Institute of Electrical ...

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1.3 Ordinary Check Item No. The standard checking items and servicing intervals (given by years or number of operation) are generally suggested in Table below. However, it is recommended that the checking intervals shall be determined according to the actual working conditions including the installed atmosphere and operating frequency of the circuit breakers. Classificat ion 1. General parts 2. Operating units 3. Check of operation 4. Measure ment of insulation Checking& Servicing Cleaning each part Tightened parts Operating mechanism & link mechanism Control Circuit Recommended Checking & Servicing procedure Remove dust sticking to circuit breakers, especially the insulators Looseness in bolts and nuts, and also break & drop off of washers, snap rings, snap retainer etc. Check the movement Check the deformation & rust. Check limit switches for proper function Condition of links and collars and damage in them Leakage of oil in the terminations of wires. Looseness of the terminations of wires. 69 Remarks Standard checking intervals. 3 years 3 years 3 years 3 years 3 years 3 years Counter Number of operations 3 years Open close indicator Charge indicator Open-close Operation Across main conductive parts and ground and across poles. Operating condition 3 years Operating condition 3 years Close and open several times each in manual and electrical operations. Spring charging operation More than 500 M. ohms the general standard (by 1000 megger) 3 years 3 years
1.5 Detailed Check Checking shall be performed as per items in ordinary check and as per items listed below: Item Classificat Checking& Recommended Checking & Remarks No. ion Servicing Servicing procedure Standard checking intervals. 1. VI Vacuum check Contract manufacture 6 years 3000 operations. 2. Operating units 3. Check of operating condition Operating mechanism Check of adjusting dimensions of each part Lubrication to rotary part, sliding parts and pin engaging part (use low viscosity machine oil or equivalent.) Gap between trip hook and roller followers and other adjusting dimensions Refer to clause 5-6 Spring Rust, damage and deformation 70 6 years 6 years 6 years Coils Breaking of wires and others. 6 years Min. Operating voltage Tripping voltage: Under 70% rated voltage Closing Voltage : under 85% rated voltage 6 years
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PREFACE The book on "Power Supply I
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However transformers of capacity 13
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3. To keep the unbalance on the 3 p
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1.2 POWER SUPPLY FOR SIGNALLING 1.2
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locomotives and Electric Multiple U
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2.0 Supply System 2. POWER SUPPLY F
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figures. This charge should be real
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2.4 Scrutiny of Bills have a bearin
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c) Procedure to be followed in case
Page 21 and 22: In the territorial setup one Subord
Page 23 and 24: 3.2.3 Over load Capacity of Tractio
Page 25 and 26: B. Insulation resistance will conti
Page 27 and 28: 3.3. GUIDING NOTES ON MAINTENANCE 3
Page 29 and 30: f) Fully push home the wedges betwe
Page 31 and 32: eakers/interrupters should also be
Page 33 and 34: A detail history of every battery s
Page 35 and 36: light or bluish grey according to a
Page 37 and 38: (e) Overhaul, bench tests and calib
Page 39 and 40: 3.5. FORTNIGHTLY MAINTENANCE 3.5.1.
Page 41 and 42: obstruction and also if the shock a
Page 43 and 44: 2. Test a sample of oil for BDV. 3.
Page 45 and 46: 3. Check if the terminations of the
Page 47 and 48: Fortnightly Schedule: a) Drain wate
Page 49 and 50: d) Measure the IR between auxiliary
Page 51 and 52: TRACTION DISTRIBUTION SCHEDULE OF M
Page 53 and 54: 3.0 Inspection of Traction Sub-stat
Page 55 and 56: 4.0 Switching Stations a) Switch Ya
Page 57 and 58: SI. No . APPLICATION AND INTERPRETA
Page 59 and 60: 2.2 Oxidation Carbondioxide is the
Page 61 and 62: 3.4 Pattern of generation of gases
Page 63 and 64: TABLE - I SOLUBILITY OF DIFFERENT G
Page 65 and 66: TABLE V ROGER'S METHOD OF DIAGNOSIS
Page 67 and 68: 1.1 Schedules MAINTENANCE OF SF6 CI
Page 69 and 70: Point / Location Tripping Mechanism
Page 71: 1.0 General Annexure 3.05 MAINTENAC
Page 75 and 76: DESIGN ASPECTS OF TRACTION SUBSTATI
Page 77 and 78: • Characteristics of the locomoti
Page 79 and 80: considerations enlisted in para 4.0
Page 81 and 82: xii) Load losses 135.0 kW xiii) Cur
Page 83 and 84: item Nominal System Voltage 66kV 11
Page 85 and 86: 20 1250 1600 2000 245 31.5 1250 160
Page 87 and 88: i) Three post, centre post rotating
Page 89 and 90: etween live parts and different pot
Page 91 and 92: 4.11.5 Design of grounding system 4
Page 93 and 94: 4.12.2 BIL of various equipments us
Page 95 and 96: (d) High speed inter tripping relay
Page 97 and 98: The relay continuously monitors the
Page 99 and 100: SULFUR HEXAFLUORIDE(SF6) GAS 96 ANN
Page 101 and 102: 5.0 POWER SUPPLY SYSTEM PROTECTION
Page 103 and 104: any one of the two sub-staion throu
Page 105 and 106: fault relay (132KV&25KV side) 4. ID
Page 107 and 108: will be supplied to the successful
Page 109 and 110: detected by normal distance protect
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120
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Just as the requirements of supervi
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The use of hermetically sealed comp
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The configuration used in Railway S
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This may be accomplished by several
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A typical example of commonly used
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7.2.6.2The above sequence of messag
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7.3 SCADA EQUIPMENT 7.3.1 General T
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7.3.10 SCADA Software The operating
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systems are different, the basic fe
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140
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To combat interference, co-ordinate
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e = Er / R were introduced in the v
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It is seen that even if the lines a
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Fig. 8.3 Fig. 8.3 contains a family
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Typical Rail Current Distribution F
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8.8 SUPPRESSION OF INTERFERENCE AT
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Magnetizing current is required to
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REGULATION FOR ELECTRICAL CROSSING
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Kc is cable screening factor and it
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